18307250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 38054016

約数和(自身を除く): 19746766

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 125, 130, 131, 215, 250, 262, 325, 430, 559, 650, 655, 1075, 1118, 1310, 1625, 1703, 2150, 2795, 3250, 3275, 3406, 5375, 5590, 5633, 6550, 8515, 10750, 11266, 13975, 16375, 17030, 27950, 28165, 32750, 42575, 56330, 69875, 73229, 85150, 139750, 140825, 146458, 212875, 281650, 366145, 425750, 704125, 732290, 1408250, 1830725, 3661450, 9153625, 18307250]

約数ペア:

[(1, 18307250), (2, 9153625), (5, 3661450), (10, 1830725), (13, 1408250), (25, 732290), (26, 704125), (43, 425750), (50, 366145), (65, 281650), (86, 212875), (125, 146458), (130, 140825), (131, 139750), (215, 85150), (250, 73229), (262, 69875), (325, 56330), (430, 42575), (559, 32750), (650, 28165), (655, 27950), (1075, 17030), (1118, 16375), (1310, 13975), (1625, 11266), (1703, 10750), (2150, 8515), (2795, 6550), (3250, 5633), (3275, 5590), (3406, 5375)]